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Doc's Diesel DEF Diesel Exhaust Fluid with DEFGUARD Additive SCR Emissions Treatment Kit for Diesel DEF Systems | 2.5-Gallons + 8 oz

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US$25.19 cheaper than the new price!!

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Used  US$16.80
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Product details

Management number 215391271 Release Date 2026/04/12 List Price US$16.80 Model Number 215391271
Category
  • DEF + DEFGUARD Emissions Treatment Kit – Includes diesel exhaust fluid and DEFGUARD additive to support SCR emissions systems in diesel trucks, pickups, and equipment. Helps maintain DEF quality, improve SCR performance, and reduce deposits in DEF systems.
  • Meets DEF System Requirements – Designed for diesel vehicles with DEF tanks and SCR systems. DEF meets ISO 22241 specifications, and DEFGUARD additive is compatible with Cummins, Duramax, Powerstroke, and EcoDiesel diesel engines.
  • Enhanced DEF System Protection – DEFGUARD additive works with DEF to help maintain fluid quality, support SCR efficiency, and reduce crystallization and deposits in DEF tanks, lines, and injectors.
  • Designed for Real-World Conditions – DEF performs normally after freezing and thawing, while DEFGUARD helps protect DEF systems during storage and temperature changes when handled and stored properly.
  • Built for Fleet Maintenance – Treatment kit supports fleet service schedules, bulk DEF handling, and preventative maintenance programs for long-haul trucks, service shops, and mixed diesel equipment fleets.

Brand Doc's Auto Parts
Manufacturer Doc's Diesel
Special Features Add directly into your DEF tank., Easy-pour design to minimize spillage., Made in the USA
Item model number DEF + DefGuard
Mirror Adjustment 2.5-Gallons of DEF + 8 oz DEF Additive
Manufacturer Part Number 840522801972

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